Shanahan on Purdy's injury status: "It hasn't been a thought on [placing him on] IR."

The San Francisco 49ers face significant challenges with their quarterbacks as they navigate injuries ahead of their upcoming game against the Tampa Bay Buccaneers.

Why it matters: The team’s quarterback situation is critical not just for immediate performance but also for long-term playoff aspirations.

• With Brock Purdy nursing a toe injury and Mac Jones dealing with both knee and oblique issues, the 49ers need to ensure they can field a capable starter this week.
• Adrian Martinez, recently promoted from the practice squad, may be called upon to bolster quarterback depth in this uncertain climate.

What’s new: Brock Purdy has missed three out of the first five games due to his injury, raising questions about his ability to lead the team effectively.

• Coach Kyle Shanahan described Purdy's recovery as a week-to-week proposition, indicating that fans should not expect a quick return.
• Purdy's absence has led to increased pressure on Jones, who has historically performed well when starting but is now managing injuries himself.

Yes, but: While Jones has led the team to three wins in previous starts, his current physical limitations could impede performance.

• His limited participation in practice raises concerns about his readiness to start ahead of a critical matchup against the Buccaneers.
• The strain of managing multiple injuries could affect his performance on the field, which is essential in a competitive NFC West division.

What to watch: The progression of Adrian Martinez will be pivotal as he stands ready to step in if required.

• His lack of experience with the 49ers’ system means the coaching staff must carefully evaluate his readiness before putting him into action.
• As Shanahan noted, "you want to be as careful as you can," highlighting the importance of preparation even for backups.

The bottom line: Injuries across key positions could hinder the 49ers' offensive capability moving forward.

• The status of wide receivers Ricky Pearsall and Jauan Jennings, both of whom did not practice, further complicates the team's ability to execute its offensive strategy.
• Tight end George Kittle’s potential return in Week 7 against the Atlanta Falcons could serve as a much-needed boost, but the timing of his comeback remains uncertain.

Between the lines: The 49ers' offensive scheme, typically reliant on a strong passing attack complemented by a robust run game, may have to adapt based on player availability.

• With Purdy, Jones, and potentially Martinez taking snaps, the offensive strategy could shift toward short, quick passes and an emphasis on the run to mitigate any quarterback struggles.
• How the 49ers manage these injuries will significantly affect their momentum as they aim for a playoff berth while contending in a tough division.